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HOW TO BOOT SHARC 21479 IN SPI SLAVE MODE FROM OMAPL138

Question asked by kaushalkumar on Jul 6, 2012
Latest reply on Jul 11, 2012 by Harshit.Gaharwar

I AM WORKING ON BOOTING SHARC 21479 FROM OMAPL138. THE LOADER FILE I HAVE GENERATED IS IN ASCII 8 BIT SLAVE BOOT MODE LDR FILE. I TRANSFER THIS FILE TO THE SHARC BY OMAP IN 3 WIRE SPI MODE BY PULLING THE SPI_ENA LINE OF THE OMAP (CONFIGURED IN GPIO MODE) TO LOW AND TRANSFERRING THE FILE AND THEN PULLING THIS LINE HIGH. I HAVE TAKEN CARE OF THE SPI PACKING IN THE SPI SLAVE BOOT MODE AND ALSO THE LSBF FORMAT ALSO. BUT THE SHARC IS NOT BOOTING. WAT COULD BE THE POSSIBLE FAULT, I AM NOT ABLE TO UNDERSTAND. CAN ANYONE WHO HAS ALREADY DONE THIS ,SHED SOME LIGHT ON THIS AREA AS I AM QUITE NEW TO THIS AREA. THANKS IN ADVANCE FOR ANY SUGGESTIONS AND HOPE THIS IS SOLVED AS EARLY AS POSSIBLE

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